Math Problem Statement

In the diagram, AFGB is a straight line, BCEF is a parallelogram and triangle EFG is an isosceles triangle. Find (i) angle GFE (ii) angle FEA

Solution

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Math Problem Analysis

Mathematical Concepts

Geometry
Angles in triangles
Properties of parallelograms

Formulas

Sum of angles in a triangle: angle A + angle B + angle C = 180°
Sum of angles on a straight line: angle A + angle B = 180°

Theorems

Isosceles triangle theorem
Exterior angle theorem

Suitable Grade Level

Grades 8-10